Electricity Live

Great Britain’s electricity on Wednesday 25 September 2019

On Wednesday 25 September, demand averaged 31.8 GW. Renewables supplied 21%.

31.8GW AVERAGEWind5.64 GW17%Hydro0.39 GW1%Biomass1.76 GW5%Solar0.88 GW3%Gas15.05 GW46%Coal0.18 GW1%Imports2.18 GW7%Nuclear6.52 GW20%31.8GW AVERAGE17%46%20%
Price
£37.72/MWh
Day average £37.72
Demand31.8GW
Generation 30.4Transfers 1.4
Fossil fuels46%
Renewables21%
Other32%
Carbon intensityModerate
227g/kWh
0Day average 227300
Save as image
Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Wednesday 25 September 2019, gas supplied 46% of Great Britain’s electricity and nuclear 20%. Demand peaked at 38.1 GW at 17:25. Carbon intensity averaged 227 g/kWh and the price £37.72/MWh. Wind generation peaked at 9.0 GW at 23:50. Solar generation peaked at 3.4 GW at 14:00. Carbon intensity was lowest at 23:30 (125 g/kWh) and highest at 09:30 (261 g/kWh). The wholesale price ranged from £29.02/MWh at 07:00 to £52.06/MWh at 19:30. Gas made 50% of the electricity generated in Great Britain, compared with 43% across 2019.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.882.7%Wind 5.6417.3%Gas 15.0546.2%Hydro 0.391.2%Biomass 1.765.4%Nuclear 6.5220.0%Coal 0.180.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.8avgGeneration 30.4avgTransfers 1.4avg
The day in figurespeaks, averages, totals
Peak demand38.1GW · 17:25
Low 21.6 · 03:50Avg 31.80–40 GW
Made in Great Britain96%of demand
Generation 30.4Transfers 1.4 GW
Net imports37GWh
In
48 Out
10
Zero-carbon share44%of generation
Nuclear 21%Hydro 1%Wind 19%Solar 3%

Transfers · Wed 25 Sept

Interconnectors and storage

On Wednesday 25 September 2019, Great Britain imported 48 GWh and exported 10 GWh through its interconnectors. The most came from France (30 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Wed 25 Sept
Imported
48GWh
Exported
10GWh
Net in
37GWh
Average net flow
1.55GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.19GWImporting

In 30.2 GWhOut 1.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.14GWExporting

In 3.2 GWhOut 6.6 GWh

Netherlands

BritNed

Average0.49GWImporting

In 14.1 GWhOut 2.2 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.13GWPumping

Generated 4.7 GWhPumped 7.7 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.